Question and answer
Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18. For this sample, the standard deviation is approximately _____.
Hi! The standard deviation is approximately 4.7506
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User: Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18. For this sample, the standard deviation is approximately _____.

Weegy: Hi! The standard deviation is approximately 4.7506
changela|Points 143|

User: DULLCO MANUFACTURING CLAIMS THAT ITS ALKALINE BATTERIES ALST FORTY HOURS ON AVERAGE IN A CERTAIN TYPE OF PORTABLE CD PLAYER. TESTS ON A RADOM SAMPLE OF 18 BATTIES SHOWED A MEAN BATTERY LIFE OF 37.8 HOURS WITH A STANDARD DEVIATION OF 5.4 HOURS. IN DETERMINING THE P-VALUE FOR REPORTING THE STUDY'S FINDING WHICH OF FOLLOWING IS TRUE?

Weegy: D. The p-value is equal to .05.
Expert answered|sweetypie1431|Points 241|

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Asked 8/21/2012 5:39:24 PM
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